From 94e1a912b278381b6f900cad29e5ec3a02238c2e Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Wed, 21 Oct 2009 15:25:33 +0200 Subject: pcnet: split away lance.c (sparc32 code). Signed-off-by: Gerd Hoffmann Signed-off-by: Anthony Liguori --- hw/lance.c | 146 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 146 insertions(+) create mode 100644 hw/lance.c (limited to 'hw/lance.c') diff --git a/hw/lance.c b/hw/lance.c new file mode 100644 index 0000000000..99c25a80bf --- /dev/null +++ b/hw/lance.c @@ -0,0 +1,146 @@ +/* + * QEMU AMD PC-Net II (Am79C970A) emulation + * + * Copyright (c) 2004 Antony T Curtis + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +/* This software was written to be compatible with the specification: + * AMD Am79C970A PCnet-PCI II Ethernet Controller Data-Sheet + * AMD Publication# 19436 Rev:E Amendment/0 Issue Date: June 2000 + */ + +/* + * On Sparc32, this is the Lance (Am7990) part of chip STP2000 (Master I/O), also + * produced as NCR89C100. See + * http://www.ibiblio.org/pub/historic-linux/early-ports/Sparc/NCR/NCR89C100.txt + * and + * http://www.ibiblio.org/pub/historic-linux/early-ports/Sparc/NCR/NCR92C990.txt + */ + +#include "sysbus.h" +#include "net.h" +#include "qemu-timer.h" +#include "qemu_socket.h" +#include "sun4m.h" + +#include "pcnet.h" + +typedef struct { + SysBusDevice busdev; + PCNetState state; +} SysBusPCNetState; + +static void parent_lance_reset(void *opaque, int irq, int level) +{ + SysBusPCNetState *d = opaque; + if (level) + pcnet_h_reset(&d->state); +} + +static void lance_mem_writew(void *opaque, target_phys_addr_t addr, + uint32_t val) +{ + SysBusPCNetState *d = opaque; +#ifdef PCNET_DEBUG_IO + printf("lance_mem_writew addr=" TARGET_FMT_plx " val=0x%04x\n", addr, + val & 0xffff); +#endif + pcnet_ioport_writew(&d->state, addr, val & 0xffff); +} + +static uint32_t lance_mem_readw(void *opaque, target_phys_addr_t addr) +{ + SysBusPCNetState *d = opaque; + uint32_t val; + + val = pcnet_ioport_readw(&d->state, addr); +#ifdef PCNET_DEBUG_IO + printf("lance_mem_readw addr=" TARGET_FMT_plx " val = 0x%04x\n", addr, + val & 0xffff); +#endif + + return val & 0xffff; +} + +static CPUReadMemoryFunc * const lance_mem_read[3] = { + NULL, + lance_mem_readw, + NULL, +}; + +static CPUWriteMemoryFunc * const lance_mem_write[3] = { + NULL, + lance_mem_writew, + NULL, +}; + +static void lance_cleanup(VLANClientState *vc) +{ + PCNetState *d = vc->opaque; + + pcnet_common_cleanup(d); +} + +static int lance_init(SysBusDevice *dev) +{ + SysBusPCNetState *d = FROM_SYSBUS(SysBusPCNetState, dev); + PCNetState *s = &d->state; + + s->mmio_index = + cpu_register_io_memory(lance_mem_read, lance_mem_write, d); + + qdev_init_gpio_in(&dev->qdev, parent_lance_reset, 1); + + sysbus_init_mmio(dev, 4, s->mmio_index); + + sysbus_init_irq(dev, &s->irq); + + s->phys_mem_read = ledma_memory_read; + s->phys_mem_write = ledma_memory_write; + + register_savevm("pcnet", -1, 3, pcnet_save, pcnet_load, s); + return pcnet_common_init(&dev->qdev, s, lance_cleanup); +} + +static void lance_reset(DeviceState *dev) +{ + SysBusPCNetState *d = DO_UPCAST(SysBusPCNetState, busdev.qdev, dev); + + pcnet_h_reset(&d->state); +} + +static SysBusDeviceInfo lance_info = { + .init = lance_init, + .qdev.name = "lance", + .qdev.size = sizeof(SysBusPCNetState), + .qdev.reset = lance_reset, + .qdev.props = (Property[]) { + DEFINE_PROP_PTR("dma", SysBusPCNetState, state.dma_opaque), + DEFINE_NIC_PROPERTIES(SysBusPCNetState, state.conf), + DEFINE_PROP_END_OF_LIST(), + } +}; + +static void lance_register_devices(void) +{ + sysbus_register_withprop(&lance_info); +} +device_init(lance_register_devices) -- cgit v1.2.1